Note: Have you seen our online peptide molecular weight calculator?

PeptideBuilder Light Version 1.0

The PeptideBuilder Light utility is an application that simplifies generation of text representations for simple peptides and proteins. This program features support for both 1 and 3-letter amino-acid notations, on-the-fly calculation of M.W., and easy to use interface. To see a screenshot of the utility, please click here.

You can use your computer keyboard or buttons on the PeptideBuilder screen to enter the amino acid sequences. There are also buttons for placing the complete peptide formula or molecular weight into Clipboard for easy reuse in other Windows applications: e-mail programs, spreadsheets, etc.

At this time, Biopeptide Company distributes the PeptideBuilder Light free of charge for non-commercial use as described in terms of the license agreement. If you would like to use our utility for commercial purposes, please e-mail software@biopeptide.com for more information.

You can download a self-extract Windows installation from these locations:

We want to hear from you. To provide feedback on PeptideBuilder Light: comments, bug reports and suggestions for feature versions, please e-mail software@peptide-synthesis.com or use the form below. Thank you for your interest in our tools!